Search: id:A099676
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%I A099676
%S A099676 9,108,1107,11106,111105,1111104,11111103,111111102,1111111101,
%T A099676 11111111100,111111111099,1111111111098,11111111111097,111111111111096,
%U A099676 1111111111111095,11111111111111094,111111111111111093
%N A099676 Partial sums of repdigits of A002283.
%F A099676 a(n) = (10/9)*(10^n-1)-n - R. Piyo (nagoya314(AT)yahoo.com), Dec 10 2004
%e A099676 9+99+999+9999+99999=a[5]=111105
%p A099676 a:=n->sum((10^(n-j)-1^(n-j)),j=0..n): seq(a(n), n=1..17); - Zerinvary 
               Lajos (zerinvarylajos(AT)yahoo.com), Jan 15 2007
%t A099676 <<NumberTheory`NumberTheoryFunctions` Table[{k, Table[Apply[Plus, Table[k*(10^n-1)/
               9, {n, 1, m}]], {m, 1, 35}]}, {k, 1, 9}]
%o A099676 (Other) sage: [gaussian_binomial(n,1,10)-n for n in xrange(2,19)] # [From 
               Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 29 2009]
%Y A099676 Cf. A057932, A002275-A002283, A099669-A099674.
%Y A099676 Sequence in context: A039619 A080505 A104224 this_sequence A166907 A051606 
               A001691
%Y A099676 Adjacent sequences: A099673 A099674 A099675 this_sequence A099677 A099678 
               A099679
%K A099676 base,nonn
%O A099676 1,1
%A A099676 Labos E. (labos(AT)ana.sote.hu), Nov 17 2004

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